Drain Unblocking
Available 24/7. We clear blocked drains, sinks, toilets and gullies on the first visit in the vast majority of cases.
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Drain Excavation & Replacement London
Expert drain excavation for collapsed or severely damaged drains in London & Herts. We manage the entire process from survey to full reinstatement.
When repairs from the surface aren't enough, our expert excavation team provides a lasting solution. Get a comprehensive survey and quote today.
Expert Drain Excavation Services in London & Hertfordshire
For severely damaged or collapsed drains, Drain 247 provides a complete, start-to-finish drain excavation and replacement service. This traditional method involves digging down to the pipework to carry out essential repairs or replacements, guaranteeing a permanent solution to the most serious drainage problems for customers across London and Hertfordshire. Our focus is on safe, efficient work with minimal disruption and a commitment to restoring your property to its original condition.
Your Local Excavation Experts in London & Hertfordshire
From our base in Watford, we serve the entire region, including: All London Boroughs and Hertfordshire (Watford, St Albans, Hemel Hempstead, Stevenage, and surrounding areas).
Honest Advice: Excavation vs. No-Dig Repairs
As drainage experts, we are proficient in all forms of repair. Many issues can be fixed with modern "no-dig" methods like drain lining.
However, we will only ever recommend the solution that is right for your specific problem. If excavation is the only way to guarantee a permanent, reliable fix, we will explain why in detail.
Our priority is to provide you with a lasting solution, not a temporary patch.
Our Commitment to You: We use state-of-the-art CCTV drain inspection equipment to thoroughly diagnose the issue.
We'll show you the footage, clearly mark the damaged section, and present you with a detailed quote outlining both the no-dig and excavation options, along with our expert recommendation.
We will never recommend an excavation unless it is absolutely essential to guarantee a permanent, high-quality repair.
Call Now To Discuss Your Drainage Problem.
Schedule a Professional CCTV Survey Today.
Testimonial
Drain 247 mapping saved our project from delays. Clear plans, fast service!”
— John S, Architect, London
Frequently Asked Questions
The only way to be certain is with a CCTV drain survey. The camera footage will clearly show if the pipe is collapsed or too damaged for other repair methods, and our engineer will show you the findings on-site.
We understand this is a major concern. Our team works with the utmost care to minimise the footprint of the dig. Crucially, our service includes full reinstatement of the surface, so we will put everything back to its original condition.
The cost varies significantly depending on the depth of the drain, the length of the repair, and the type of surface being excavated. We provide a detailed, no-obligation, fixed-price quote after a thorough site survey.
A typical domestic repair can take anywhere from one to three days. The full timescale will be clearly outlined in your quote, and we will work efficiently to complete the job as quickly as possible.
Yes, absolutely. Drain 247 holds comprehensive public liability insurance, ensuring you and your property are fully covered throughout the entire project.
Why It Is Worth Doing Properly
Severe Displacements & Fractures
Pipe joints have shifted so significantly that they can't be sealed from the inside.
Incorrect Gradient (Backfall)
The original pipe was laid incorrectly and doesn't slope enough (or slopes the wrong way), causing chronic blockages.
Complete System Replacement
Old, deteriorating pipework (e.g., pitch fibre or clay) needs to be fully upgraded to modern uPVC.
New Drainage Installations
Laying new pipes for a property extension, new build, or septic tank installation.
CCTV Diagnosis & Planning
We start with a detailed CCTV survey to confirm the exact location and extent of the damage. We then create a full plan of action, including locating all other underground utilities (gas, water, electric) for a safe dig.
Safe Excavation & Pipe Repair
Our certified engineers carry out the excavation safely and efficiently, whether it's in a garden, driveway, or public path. Once exposed, the damaged pipe section is professionally repaired or replaced with high-quality, durable uPVC pipework.
If This Sounds Like Your Problem
You do not need to diagnose it perfectly. Describe the symptom and we will tell you the likely cause and what it will cost to put right.
What Our Customers Say
An absolute pleasure to deal with. George arrived at my house quickly to take care of a blockage in my drain. He cleared it in less than an hour and was very knowledgeable.
I really needed someone to come and unblock my outside drain as it was causing flooding issues. I found these guys online and they came the same day. Very impressed.
Drain 247’s mapping saved our project from delays. Clear plans, fast service.
Drainage Services We Provide Nearby
CCTV Drain Survey
High-resolution inspections that identify structural problems, repeated blockages and hidden defects — with a report you can act on.
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Drain Repair
Patch lining, full relining and excavation repairs for cracked, collapsed or deteriorated pipework.
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Drain Mapping
Accurate mapping of underground drainage for planning applications, extensions and compliance checks.
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Drain Jetting
High-pressure water jetting that scours fat, silt and scale from the pipe wall.
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Tanker Services
Vacuum tanker deployment for emptying, interceptors, and jobs too large for a van-mounted unit.
Find out moreAreas We Cover
Same-day drainage work across Hertfordshire and north west London.
Ready to Get This Sorted?
Call for a fixed price, or leave your details and we will call you back. The phone is answered 24 hours a day.
Download the Drain 247 Brochure
The 2026 company brochure: the services, the area we cover, and how a visit works. Handy to send on to an architect, a builder or a buyer.